import Vue from 'vue'
import Router from 'vue-router'
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Login')
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Home')
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Welcome')

const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/user/Users')
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Rights')
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Roles')

const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Cate')
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Params')

const List = () => import(/* webpackChunkName: "List_Add" */ '../components/goods/List')
const Add = () => import(/* webpackChunkName: "List_Add" */ '../components/goods/Add')

const Order = () => import(/* webpackChunkName: "Order_Report" */ '../components/order/Order')
const Report = () => import(/* webpackChunkName: "Order_Report" */ '../components/report/Report')

// import Login from '../components/Login'
// import Home from '../components/Home'
// import Welcome from '../components/Welcome'
// import Users from '../components/user/Users'
// import Rights from '../components/power/Rights'
// import Roles from '../components/power/Roles'
// import Cate from '../components/goods/Cate'
// import Params from '../components/goods/Params'
// import List from '../components/goods/List'
// import Add from '../components/goods/Add'
// import Order from '../components/order/Order'
// import Report from '../components/report/Report'

Vue.use(Router)

const router = new Router({
  routes: [
    {
      path: '/',
      redirect: '/login'
    },
    {
      path: '/login',
      component: Login
    },
    {
      path: '/home',
      component: Home,
      redirect: '/welcome',
      children: [
        { path: '/welcome', component: Welcome },
        { path: '/users', component: Users },
        { path: '/rights', component: Rights },
        { path: '/roles', component: Roles },
        { path: '/categories', component: Cate },
        { path: '/params', component: Params },
        { path: '/goods', component: List },
        { path: '/goods/add', component: Add },
        { path: '/orders', component: Order },
        { path: '/reports', component: Report }
      ]
    }

  ]
})

// 挂在路由导航收尾
router.beforeEach((to, from, next) => {
  // to 将要访问路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  if (to.path === '/login') return next()
  const token = window.sessionStorage.getItem('token')
  if (!token) {
    return next('/login')
  } else {
    next()
  }
})

export default router
